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Digital Signal Processing > DSP[0] > Flashcards

DSP[0] Flashcards

1
Q

DSP stands for?

A

Digital Signal Processing

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2
Q

is the process of analyzing and modifying a
signal to optimize or improve its efficiency or
performance.

A

Digital Signal Processing

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3
Q

is concerned with the representation of signals
by sequence of numbers or symbols and the
processing of these sequences.

A

Digital Signal Processing

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4
Q

is an electrical or electromagnetic
current that is used for carrying data from one
device or network to another.

A

signal

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5
Q

can be define as a function that
conveys information, generally about the state
or behavior of a physical system.

A

Signal

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6
Q

are represented as functions of one
or more independent variables.

A

Signal

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7
Q

are those
signals for which both time
an amplitude are continuous.

A

Analog Signal

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8
Q

are those
signals that are defined
only at a discrete units of
time.

A

Discrete signals

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9
Q

Involves analyzing, modifying and synthesizing signals to
pull meaning out of it.

A

Signal Processing

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10
Q

Two classification of signal processing:

A
  • Analog Signal Processing
  • Digital Signal Processing
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11
Q

deals with transformation of
analog signals

A

Analog signal processing

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12
Q

Processing is done using electrical networks consisting of
active and passive elements

A

Analog signal processing

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13
Q

deals with the
processing of discrete signals

A

Digital Signal Processing

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14
Q

Processing is done using general purpose
computers, ASICs, FPGAs, OSP chips etc.

A

Digital Signal Processing

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15
Q

used to filter out unwanted high frequency components from
raw analog input signal.

A

Pre-filter

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16
Q

converts analog signals to digital signals.

A

ADC

17
Q

the digital signal is analyzed and processed and synthesized output
is fed to DAC

A

DSP

18
Q

converts digital signals back to analog signals.

A

DAC

19
Q

Used to filter out unwanted high frequency components in
the generated analog signal.

A

Post-Filter

20
Q

Application of DPS

A
  • Speech and audio processing
  • Image and video processing
  • Military and Telecommunication
  • Healthcare and Biomedical sector
  • Consumer electronics
21
Q

This involves speech recognition and analysis
noise filtering, echo cancellation etc.

A

Speech and Audio Processing

22
Q

This involves compression, enhancement,
reconstruction and restoration of images and
videos

A

Image and Video Processing

23
Q

Its examples are radar tracking, modulation and
demodulation

A

Military and Telecommunication

24
Q

Its example are analysis of ECG and X-ray signal

A

Healthcare and Biomedical Sector

25
Q

Most digital equipment like smart phones,
televisions, digital camera etc. it has DSP
embedded on it to accelerate its
performance.

A

Consumer Electronics

26
Q

Avantages of DPS

A
  • Flexibility
  • Error detection and correction features
  • Data storage is easier
  • Low cost
27
Q

Disadvantages of DPS

A
  • Higher power consumption
  • Higher learning curve is required for
    operation

Digital Signal Processing (7 decks)

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